224444222420 has 48 divisors (see below), whose sum is σ = 515438683200. Its totient is φ = 81416497920.

The previous prime is 224444222381. The next prime is 224444222437. The reversal of 224444222420 is 24222444422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157210 + ... + 1337169.

It is an arithmetic number, because the mean of its divisors is an integer number (10738305900).

Almost surely, 2^224444222420 is an apocalyptic number.

224444222420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224444222420 is an abundant number, since it is smaller than the sum of its proper divisors (290994460780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224444222420 is a wasteful number, since it uses less digits than its factorization.

224444222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494808 (or 2494806 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 224444222420 its reverse (24222444422), we get a palindrome (248666666842).

The spelling of 224444222420 in words is "two hundred twenty-four billion, four hundred forty-four million, two hundred twenty-two thousand, four hundred twenty".